The Reducer,tube, cataloged under National Stock Number 4730-01-575-2768, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-575-2768 |
| Primary Part Number | 12506142-004 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Style Designator | DYNATUBE AND THREADED INTERNAL SWIVEL |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12506142-004 | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 20-12 TRLON-S N0507 | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 12506142-004 | Oshkosh Defense Llc (USA) |
| 12506142-004 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12506142-004 | 5/9 Secondary reference Parker Hannifin Corp Tube Fitting Div |
| 12506142 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4730-01-575-2768 is a Reducer,tube, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-575-2768 has 4 manufacturer part numbers on file: 12506142-004 (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 20-12 TRLON-S N0507 (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 12506142-004 (Oshkosh Defense Llc), 12506142-004 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-576-3489, 4730-01-576-3726. Verify interchangeability with system specifications before substitution.
Key specifications for 12506142-004: Style Designator: DYNATUBE AND THREADED INTERNAL SWIVEL; Surface Treatment: ZINC OVERALL; Part Name Assigned by Controlling Agency: ADAPTER, REDUCER, TUBE END; End Item Identification: TRUCK,WRECKER NSN 2320-01-552-7762. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.